Home / 123,627.20-185,359.80-48,702.20

Finding the Fourth Proportional to 123,627.20, 185,359.80 and 48,702.20

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Solution

The fourth proportional to 123,627.20, 185,359.80 and 48,702.20 is: 73,021.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,627.20 : 185,359.80 = 48,702.20 : x
  2. Step 2: Convert to fraction form
    123,627.20/185,359.80 = 48,702.20/x
  3. Step 3: Cross multiply
    123,627.20x = 185,359.80 × 48,702.20
  4. Step 4: Simplify right side
    123,627.20x = 9,027,430,051.56
  5. Step 5: Solve for x
    x = 9,027,430,051.56/123,627.20
  6. Step 6: Final answer
    x = 73,021.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.